Storage spaces for different size tables

Hello

I have a situation that everyone has probably, so I would go into more detail about this.
Working with databases with different objectives, a single OLTP and OLAP one another, the two tables with different sizes... some with 1 M, some with 100 M and others with 150 G or more.

Recommendation of the Oracle, so the suite all storage spaces are created in the form of LMT, but I don't know if I can put something else to optimize performance, such as reading or writing, once the databases have different objectives and therefore with different behaviors.

If someone could help me how I should give attention, I really appreciate.
The version of database can be regarded as 10g and 11g.

Thank you.

Alex

No, really no need to worry about direct allocation tablespace in realtion to the performance of the queries. There are some operations such as the allocation of file extensions and tablespace performance impact scope object, but it can be difficult to see this. Just make sure your expandable size of file on the data files extension is large enough so that the next object needing another measure will also not wait as the file expand. With the maximum of a measure in a size auto-allouer tablespace is 64 M, a volume of measure G 1 file would be 16 degrees of object so 15 additional objects may expand (at this size) before a another file extension becomes necessary.

What to do is determine if you want to count automatic sur-affectation to manage measurement of object allocations or to use uniform extensions so that each measure in the tablespace is the same size. If you use uniform extensions then you must make a choice of the same size for all or separate objects in small object and object of large size tablespaces and use a different scale for each size. Maybe 512K for small and 8 M wide. It's just a matter of how you want to manage your tablespace usage and growth.

HTH - Mark D Powell.

Tags: Database

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